Becker Hal · H. B · H. Becker · Hal B. Becker
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| CAN I HAVE 5 MIN OF YOUR TIME-SC-OSI | 978-0-9619590-7-4 (0-9619590-7-X) | 1993 | Florence Mustric |
| Can I Have 5 Minutes of Your Time?: A No-Nonsense, Fun Approach to Sales from Xerox's Former #1 Salesperson | 978-1-60037-348-0 (1-60037-348-8) | 2008 | |
| Salesbook | 978-83-01-17758-4 (83-01-17758-6) | 2018 | |
Morgan James Publishing · Oakhill Press · Wydawnictwo Naukowe